Home / 473,004,850.95-648,005,813.06-455,320,302.39

Finding the Fourth Proportional to 473,004,850.95, 648,005,813.06 and 455,320,302.39

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Solution

The fourth proportional to 473,004,850.95, 648,005,813.06 and 455,320,302.39 is: 623,778,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,004,850.95 : 648,005,813.06 = 455,320,302.39 : x
  2. Step 2: Convert to fraction form
    473,004,850.95/648,005,813.06 = 455,320,302.39/x
  3. Step 3: Cross multiply
    473,004,850.95x = 648,005,813.06 × 455,320,302.39
  4. Step 4: Simplify right side
    473,004,850.95x = 295,050,202,750,680,384
  5. Step 5: Solve for x
    x = 295,050,202,750,680,384/473,004,850.95
  6. Step 6: Final answer
    x = 623,778,386.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.